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Common characteristics of displacive and relaxor ferroelectrics
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SYSNO ASEP 0342160 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Common characteristics of displacive and relaxor ferroelectrics Author(s) Bishop, A. R. (US)
Bussmann-Holder, A. (DE)
Kamba, Stanislav (FZU-D) RID, ORCID, SAI
Maglione, M. (FR)Source Title Physical Review. B - ISSN 1098-0121
Roč. 81, č. 6 (2010), 064106/1-064106/9Number of pages 9 s. Language eng - English Country US - United States Keywords relaxor ferroelectrics ; soft modes ; breather ; displacive phase transition Subject RIV BM - Solid Matter Physics ; Magnetism R&D Projects GA202/09/0682 GA ČR - Czech Science Foundation (CSF) CEZ AV0Z10100520 - FZU-D (2005-2011) UT WOS 000274998100035 DOI 10.1103/PhysRevB.81.064106 Annotation The long-standing classification scheme of ferroelectrics into either relaxor or displacive ones is too restrictive since a smooth crossover between them exists which even admits for a coexistence of both phenomena. This crossover and coexistence is a consequence of the varying density of polar nanoregions due to different doping levels of the respective system. The formatin of polar nanoregions is attributed here to intrinsic local modes in terms of discrete breathers. Workplace Institute of Physics Contact Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579 Year of Publishing 2011
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